Invalidity dossier
US 6631201
Added 9/23/2026, 1:53:06 PM
Active provider: DeepSeek · deepseek-flash
Patent summary
Title, assignee, inventors, filing/issue dates, abstract, and a plain-language overview of the claims.
Patent Overview — US 6,631,201 B1
Title: Relief object sensor adaptor
Patent number: US6631201B1
Application number: US09/435,011
Filing date: 1999-11-05
Publication/grant date: 2003-10-07
Priority date (stated as an assumption): 1998-11-06
Inventor(s): Alexander G. Dickinson; Brian Berger; Andrew Cole
Original assignee: Security First Corp
Current assignee (per listing): Security First Innovations LLC
Legal status: Expired – Fee Related
Purpose and plain-language scope (from the supplied text): The title and "Prior art keywords" — sensor, interface card, fingerprint, host system, electronic representation — indicate the patent concerns an adaptor for a "relief object" sensor, with fingerprints being the salient example, and an interface card between the sensor and a host system that yields an "electronic representation." The listed classifications corroborate this: G06F21/32 (user authentication using biometric data, e.g. fingerprints), G06K19/0718 (integrated circuit chips including a biometric sensor, e.g. fingerprint sensors), G06K19/077 (mounting of circuits in a card carrier), and G06V40/13 (fingerprint sensors). No claim text, abstract, or detailed description was supplied, so claim scope cannot be quoted or paraphrased.
What the excerpt does not establish:
- It contains no claims, so the actual patented scope is unknown.
- The purpose and scope above are inferred from the title, prior-art keywords, and classification headings alone.
- It does not establish validity, enforceability, or the accuracy of the listed assignees or legal status, which the source itself labels as assumptions, not legal conclusions.
- It does not establish any litigation, prior art beyond listed keywords, or ownership-transfer details.
Generated 10/1/2026, 9:52:44 PM
Cases on file (0)
Specific litigation cases in our database that name US patent 6631201. The free-form analysis below may also discuss cases beyond this list.
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Litigation summary
Past and pending lawsuits — plaintiffs, defendants, jurisdictions, outcomes, and notable rulings.
Proceedings on file (0)
All PTAB activity →AIA trial proceedings (IPR / PGR / CBM) filed at the USPTO Patent Trial and Appeal Board against this patent. Sourced from the USPTO Open Data Portal and refreshed every six hours; each proceeding number deep-links to the PTAB E2E docket.
No PTAB proceedings on file. This patent has not been challenged via IPR, PGR, or CBM. The absence is itself a signal — well-asserted patents eventually attract IPRs. The LLM analysis below may surface filings the ODP feed hasn’t indexed yet.
PTAB challenges
AIA trial proceedings at the USPTO Patent Trial and Appeal Board — IPR, PGR, and CBM. Petitioners, judge panels, claim-level invalidation outcomes from Final Written Decisions, and Federal Circuit appeals. The single most important defensive datapoint after litigation history.
Assignment history
Inventors, original assignee, and the chain of ownership recorded with the USPTO — including the correspondent attorney who recorded each assignment, since shell-LLC chains often share one repeat-player attorney even when the entity names look unrelated. Surfaces NPE / patent-troll patterns: shell-entity transfers, known asserters in the chain, repeat correspondent fingerprints, pre-litigation assignments, and bankruptcy fire-sales.
Prior art
Earlier patents, publications, and products that may anticipate or render the claims unpatentable.
Obviousness
Combinations of prior art that suggest the claimed invention would have been obvious under 35 U.S.C. § 103.
Extensions
Patent term adjustments, term extensions, continuations, divisionals, family members, and expiration dates.
Derivative works
Defensive disclosure: derivative variations of each claim designed to render future incremental improvements obvious or non-novel.